# Siemens 3SK1111-1AB30 Safety Relay, 24V AC/DC, 3 NO and 1 NC Contacts

**URL:** https://aio.lv/en/product--siemens-3sk1111-1ab30--1778996
**Data updated:** 2026-05-18 02:40 (EEST)
**Category:** Control Systems
**Manufacturer:** Siemens
**Manufacturer code:** 3SK1111-1AB30
**EAN:** 4011209913509
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 185.99 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 153.71 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3sk1111-1ab30--1778996

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3SK1111-1AB30 is a reliable safety relay designed for industrial automation and machine safety applications. It operates on a 24V AC/DC supply voltage and features 3 normally open (NO) and 1 normally closed (NC) contacts. This device ensures safe monitoring of safety circuits, providing high operational reliability and integration into standard safety systems for machinery protection.

## Long description

The Siemens 3SK1111-1AB30 is a high-performance safety relay engineered for demanding industrial automation environments. This device serves as a critical component in machine safety systems, designed to monitor safety circuits and ensure reliable shutdown or protection sequences when triggered. Operating on a versatile 24V AC/DC supply voltage, it provides seamless integration into existing control panels and safety architectures, offering a robust solution for maintaining operational safety standards.
Advantages
This safety relay stands out due to its compact design and high reliability in harsh industrial conditions. It simplifies the implementation of safety functions by providing a standardized interface for monitoring emergency stops, safety gates, or light curtains. The inclusion of multiple contact configurations allows for flexible wiring options, ensuring that the device can adapt to various safety logic requirements without the need for complex external circuitry. Its durable construction ensures long-term performance and minimal maintenance requirements in automated production lines.
Suitable for
Emergency stop monitoring
Safety gate and door interlocking systems
Monitoring of light curtains and laser scanners
General machine safety and industrial automation
This relay may not be suitable for applications requiring high-speed switching beyond its rated capacity or for environments where extreme environmental factors exceed the specified protection class. It is also not intended for use in safety-critical applications that require specialized programmable logic controllers or safety-rated bus communication systems.
Key specifications
Supply voltage: 24V AC/DC
Contact configuration: 3 normally open (NO) and 1 normally closed (NC)
Application: Industrial machine safety
Mounting: Standard DIN rail
To use the Siemens 3SK1111-1AB30, mount the device onto a standard DIN rail within a control cabinet. Connect the power supply to the designated terminals and wire the safety sensors or switches to the input circuits. Ensure that the output contacts are correctly integrated into the machine control circuit to interrupt power to hazardous components when a safety event occurs. Always verify the wiring against the provided technical documentation before applying power to the system.
What to consider before purchase
Verify that the 24V AC/DC supply voltage matches your control system requirements.
Ensure the contact configuration (3 NO, 1 NC) meets your specific safety logic needs.
Check the physical space available in your control cabinet for DIN rail mounting.
Confirm compatibility with your existing safety sensors and emergency stop devices.
Always perform a thorough functional test of the safety circuit after installation and before putting the machinery into operation to ensure that the relay correctly triggers the safety shutdown sequence.

## FAQ

### How much does the Siemens 3SK1111-1AB30 Safety Relay cost, and is it available for purchase?

The price is 185.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 83 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Siemens 3SK1111-1AB30 Safety Relay be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Siemens products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Siemens service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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